Moses, Tim; Miao, Jing; Dorans, Neil J. - In: Journal of Educational and Behavioral Statistics 35 (2010) 6, pp. 726-743
In this study, the accuracies of four strategies were compared for estimating conditional differential item functioning (DIF), including raw data, logistic regression, log-linear models, and kernel smoothing. Real data simulations were used to evaluate the estimation strategies across six items,...